diff --git a/adminfront/src/features/tenants/routes/TenantFineGrainedPermissionsPage.tsx b/adminfront/src/features/tenants/routes/TenantFineGrainedPermissionsPage.tsx
index dc47f741..7542716f 100644
--- a/adminfront/src/features/tenants/routes/TenantFineGrainedPermissionsPage.tsx
+++ b/adminfront/src/features/tenants/routes/TenantFineGrainedPermissionsPage.tsx
@@ -75,24 +75,74 @@ export function TenantFineGrainedPermissionsPage() {
   const addSystemRelationMutation = useMutation({
     mutationFn: (payload: { userId: string; relation: string }) =>
       addSystemRelation(payload.userId, payload.relation),
+    onMutate: async (newRelation) => {
+      await queryClient.cancelQueries({ queryKey: ["system-relations"] });
+      const previousRelations = queryClient.getQueryData<TenantRelation[]>(["system-relations"]);
+
+      queryClient.setQueryData<TenantRelation[]>(["system-relations"], (old) => {
+        if (!old) return [];
+        return old.map((user) => {
+          if (user.userId === newRelation.userId) {
+            return {
+              ...user,
+              relations: user.relations.includes(newRelation.relation)
+                ? user.relations
+                : [...user.relations, newRelation.relation],
+            };
+          }
+          return user;
+        });
+      });
+
+      return { previousRelations };
+    },
+    onError: (err: AxiosError<{ error?: string }>, _, context) => {
+      if (context?.previousRelations) {
+        queryClient.setQueryData(["system-relations"], context.previousRelations);
+      }
+      toast.error(err.response?.data?.error || t("msg.common.error", "오류가 발생했습니다."));
+    },
     onSuccess: () => {
-      queryClient.invalidateQueries({ queryKey: ["system-relations"] });
       toast.success(t("msg.admin.system.relations.add_success", "시스템 메뉴 권한이 추가되었습니다."));
     },
-    onError: (err: AxiosError<{ error?: string }>) => {
-      toast.error(err.response?.data?.error || t("msg.common.error", "오류가 발생했습니다."));
+    onSettled: () => {
+      queryClient.invalidateQueries({ queryKey: ["system-relations"] });
     },
   });
 
   const removeSystemRelationMutation = useMutation({
     mutationFn: (payload: { userId: string; relation: string }) =>
       removeSystemRelation(payload.userId, payload.relation),
+    onMutate: async (targetRelation) => {
+      await queryClient.cancelQueries({ queryKey: ["system-relations"] });
+      const previousRelations = queryClient.getQueryData<TenantRelation[]>(["system-relations"]);
+
+      queryClient.setQueryData<TenantRelation[]>(["system-relations"], (old) => {
+        if (!old) return [];
+        return old.map((user) => {
+          if (user.userId === targetRelation.userId) {
+            return {
+              ...user,
+              relations: user.relations.filter((r) => r !== targetRelation.relation),
+            };
+          }
+          return user;
+        });
+      });
+
+      return { previousRelations };
+    },
+    onError: (err: AxiosError<{ error?: string }>, _, context) => {
+      if (context?.previousRelations) {
+        queryClient.setQueryData(["system-relations"], context.previousRelations);
+      }
+      toast.error(err.response?.data?.error || t("msg.common.error", "오류가 발생했습니다."));
+    },
     onSuccess: () => {
-      queryClient.invalidateQueries({ queryKey: ["system-relations"] });
       toast.success(t("msg.admin.system.relations.remove_success", "시스템 메뉴 권한이 회수되었습니다."));
     },
-    onError: (err: AxiosError<{ error?: string }>) => {
-      toast.error(err.response?.data?.error || t("msg.common.error", "오류가 발생했습니다."));
+    onSettled: () => {
+      queryClient.invalidateQueries({ queryKey: ["system-relations"] });
     },
   });
 
diff --git a/adminfront/src/features/tenants/routes/TenantFineGrainedPermissionsTab.tsx b/adminfront/src/features/tenants/routes/TenantFineGrainedPermissionsTab.tsx
index 9f801e8a..7c4eac3d 100644
--- a/adminfront/src/features/tenants/routes/TenantFineGrainedPermissionsTab.tsx
+++ b/adminfront/src/features/tenants/routes/TenantFineGrainedPermissionsTab.tsx
@@ -68,24 +68,74 @@ export function TenantFineGrainedPermissionsTab({ tenantIdProp }: TenantFineGrai
   const addRelationMutation = useMutation({
     mutationFn: (payload: { userId: string; relation: string }) =>
       addTenantRelation(tenantId, payload.userId, payload.relation),
+    onMutate: async (newRelation) => {
+      await queryClient.cancelQueries({ queryKey: ["tenant-relations", tenantId] });
+      const previousRelations = queryClient.getQueryData<TenantRelation[]>(["tenant-relations", tenantId]);
+
+      queryClient.setQueryData<TenantRelation[]>(["tenant-relations", tenantId], (old) => {
+        if (!old) return [];
+        return old.map((user) => {
+          if (user.userId === newRelation.userId) {
+            return {
+              ...user,
+              relations: user.relations.includes(newRelation.relation)
+                ? user.relations
+                : [...user.relations, newRelation.relation],
+            };
+          }
+          return user;
+        });
+      });
+
+      return { previousRelations };
+    },
+    onError: (err: AxiosError<{ error?: string }>, _, context) => {
+      if (context?.previousRelations) {
+        queryClient.setQueryData(["tenant-relations", tenantId], context.previousRelations);
+      }
+      toast.error(err.response?.data?.error || t("msg.common.error", "오류가 발생했습니다."));
+    },
     onSuccess: () => {
-      queryClient.invalidateQueries({ queryKey: ["tenant-relations", tenantId] });
       toast.success(t("msg.admin.tenants.relations.add_success", "세부 권한이 추가되었습니다."));
     },
-    onError: (err: AxiosError<{ error?: string }>) => {
-      toast.error(err.response?.data?.error || t("msg.common.error", "오류가 발생했습니다."));
+    onSettled: () => {
+      queryClient.invalidateQueries({ queryKey: ["tenant-relations", tenantId] });
     },
   });
 
   const removeRelationMutation = useMutation({
     mutationFn: (payload: { userId: string; relation: string }) =>
       removeTenantRelation(tenantId, payload.userId, payload.relation),
+    onMutate: async (targetRelation) => {
+      await queryClient.cancelQueries({ queryKey: ["tenant-relations", tenantId] });
+      const previousRelations = queryClient.getQueryData<TenantRelation[]>(["tenant-relations", tenantId]);
+
+      queryClient.setQueryData<TenantRelation[]>(["tenant-relations", tenantId], (old) => {
+        if (!old) return [];
+        return old.map((user) => {
+          if (user.userId === targetRelation.userId) {
+            return {
+              ...user,
+              relations: user.relations.filter((r) => r !== targetRelation.relation),
+            };
+          }
+          return user;
+        });
+      });
+
+      return { previousRelations };
+    },
+    onError: (err: AxiosError<{ error?: string }>, _, context) => {
+      if (context?.previousRelations) {
+        queryClient.setQueryData(["tenant-relations", tenantId], context.previousRelations);
+      }
+      toast.error(err.response?.data?.error || t("msg.common.error", "오류가 발생했습니다."));
+    },
     onSuccess: () => {
-      queryClient.invalidateQueries({ queryKey: ["tenant-relations", tenantId] });
       toast.success(t("msg.admin.tenants.relations.remove_success", "세부 권한이 회수되었습니다."));
     },
-    onError: (err: AxiosError<{ error?: string }>) => {
-      toast.error(err.response?.data?.error || t("msg.common.error", "오류가 발생했습니다."));
+    onSettled: () => {
+      queryClient.invalidateQueries({ queryKey: ["tenant-relations", tenantId] });
     },
   });